Cation Distribution and Magnetic Properties of Gd+3-Substituted Ni-Zn Nano-ferrites

Santhosh Kumar M. V; G. J. Shankarmurthy; E. Melagiriyappa; Ashok Rao; K. K. Nagaraja

doi:10.1007/s10948-020-05502-5

Cation Distribution and Magnetic Properties of Gd⁺³-Substituted Ni-Zn Nano-ferrites

Santhosh Kumar M. V^*
, G. J. Shankarmurthy
, E. Melagiriyappa
, Ashok Rao
, K. K. Nagaraja

^*Corresponding author for this work

Centre for Clean Energy

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

A series of Gd⁺³-substituted nanocrystalline Ni-Zn ferrites Ni_1-xZn_xGd_0.1Fe_1.9O₄ (0 ≤ x ≤ 1) are prepared using a low-temperature citrate auto-combustion method. The cation distribution obtained using powder x-ray diffraction demonstrates an increase in hopping length between magnetic and Zn⁺² ions. Cation–oxygen vibrations are identified by FTIR spectra. Effect of Zn⁺² ion on the magnetic properties at room temperature is determined from the magnetic moment measured through a vibrating sample magnetometer. The magnetic moment and saturation magnetization obey Yafet–Kittel type magnetization with the highest saturation magnetization for x = 0.2 (≈ 54 emu/g). The low squareness ratio of the samples (0.25–0.12) confirms the uniaxial anisotropy.

Original language	English
Pages (from-to)	2821-2827
Number of pages	7
Journal	Journal of Superconductivity and Novel Magnetism
Volume	33
Issue number	9
DOIs	https://doi.org/10.1007/s10948-020-05502-5
Publication status	Published - 01-09-2020

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Cite this

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title = "Cation Distribution and Magnetic Properties of Gd+3-Substituted Ni-Zn Nano-ferrites",

abstract = "A series of Gd+3-substituted nanocrystalline Ni-Zn ferrites Ni1-xZnxGd0.1Fe1.9O4 (0 ≤ x ≤ 1) are prepared using a low-temperature citrate auto-combustion method. The cation distribution obtained using powder x-ray diffraction demonstrates an increase in hopping length between magnetic and Zn+2 ions. Cation–oxygen vibrations are identified by FTIR spectra. Effect of Zn+2 ion on the magnetic properties at room temperature is determined from the magnetic moment measured through a vibrating sample magnetometer. The magnetic moment and saturation magnetization obey Yafet–Kittel type magnetization with the highest saturation magnetization for x = 0.2 (≈ 54 emu/g). The low squareness ratio of the samples (0.25–0.12) confirms the uniaxial anisotropy.",

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AU - Kumar M. V, Santhosh

AU - Shankarmurthy, G. J.

AU - Melagiriyappa, E.

AU - Rao, Ashok

AU - Nagaraja, K. K.

PY - 2020/9/1

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N2 - A series of Gd+3-substituted nanocrystalline Ni-Zn ferrites Ni1-xZnxGd0.1Fe1.9O4 (0 ≤ x ≤ 1) are prepared using a low-temperature citrate auto-combustion method. The cation distribution obtained using powder x-ray diffraction demonstrates an increase in hopping length between magnetic and Zn+2 ions. Cation–oxygen vibrations are identified by FTIR spectra. Effect of Zn+2 ion on the magnetic properties at room temperature is determined from the magnetic moment measured through a vibrating sample magnetometer. The magnetic moment and saturation magnetization obey Yafet–Kittel type magnetization with the highest saturation magnetization for x = 0.2 (≈ 54 emu/g). The low squareness ratio of the samples (0.25–0.12) confirms the uniaxial anisotropy.

AB - A series of Gd+3-substituted nanocrystalline Ni-Zn ferrites Ni1-xZnxGd0.1Fe1.9O4 (0 ≤ x ≤ 1) are prepared using a low-temperature citrate auto-combustion method. The cation distribution obtained using powder x-ray diffraction demonstrates an increase in hopping length between magnetic and Zn+2 ions. Cation–oxygen vibrations are identified by FTIR spectra. Effect of Zn+2 ion on the magnetic properties at room temperature is determined from the magnetic moment measured through a vibrating sample magnetometer. The magnetic moment and saturation magnetization obey Yafet–Kittel type magnetization with the highest saturation magnetization for x = 0.2 (≈ 54 emu/g). The low squareness ratio of the samples (0.25–0.12) confirms the uniaxial anisotropy.

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Cation Distribution and Magnetic Properties of Gd⁺³-Substituted Ni-Zn Nano-ferrites

Abstract

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